CXD2310 查看數據表（PDF） - Sony Semiconductor

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CXD2310

10-bit 20MSPS Video A/D Converter

Sony Semiconductor 

CXD2310AR

Digital Output

The following table shows the correlation between the analog input voltage and the digital output code

(TESTMODE = 1, LINV, MINV = 0)

Input signal voltage

Step

Digital output code

MSB

LSB

VRT

0

1111111111

511 1 0 0 0 0 0 0 0 0 0

512 0 1 1 1 1 1 1 1 1 1

VRB

1023 0 0 0 0 0 0 0 0 0 0

The following table shows the output state for the combination of TESTMODE, LINV, and MINV states.

TESTMODE LINV MINV D0 D1 D2 D3 D4 D5 D6 D7 D8 D9

1

0

0 PPPPPPPPPP

1

1

0 NNNNNNNNNP

1

0

1 PPPPPPPPPN

1

1

1 NNNNNNNNNN

0

0

0 1010101010

0

1

0 0101010100

0

0

1 1010101011

0

1

1 0101010101

P: Forward-phase output N: Inverted output

Timing Chart 1

tPW1

tPW0

Clock

1.65V

tSD

Analog input

N

tDL

Data output

N+1

N+2

N–3

N–2

N+3

N–1

N+4

N

Timing Chart 2

Output enable (OE)

Data output

1.65V (DVDD = 3.3V)

2.5V (DVDD = 5.0V)

: Indicates point at which analog data is sampled

tPEZ

1.65V

tPZE

1.65V

1.65V (DVDD = 3.3V)

2.5V (DVDD = 5.0V)

Active

High Impedance

–6–

Active

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